import random,requests,time,re,csv,threading



#返回一个随机的请求头 headers
def get_UserAgent():
        USER_AGENTS = ["Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; AcooBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
                "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; Acoo Browser; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)",
                "Mozilla/4.0 (compatible; MSIE 7.0; AOL 9.5; AOLBuild 4337.35; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)",
                "Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",
                "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 2.0.50727; Media Center PC 6.0)",
                "Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET CLR 1.0.3705; .NET CLR 1.1.4322)",
                "Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2; .NET CLR 3.0.04506.30)",
                "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/523.15 (KHTML, like Gecko, Safari/419.3) Arora/0.3 (Change: 287 c9dfb30)",
                "Mozilla/5.0 (X11; U; Linux; en-US) AppleWebKit/527+ (KHTML, like Gecko, Safari/419.3) Arora/0.6",
                "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.2pre) Gecko/20070215 K-Ninja/2.1.1",
                "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9) Gecko/20080705 Firefox/3.0 Kapiko/3.0",
                "Mozilla/5.0 (X11; Linux i686; U;) Gecko/20070322 Kazehakase/0.4.5",
                "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.0.8) Gecko Fedora/1.9.0.8-1.fc10 Kazehakase/0.5.6",
                "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11",
                "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.20 (KHTML, like Gecko) Chrome/19.0.1036.7 Safari/535.20",
                "Opera/9.80 (Macintosh; Intel Mac OS X 10.6.8; U; fr) Presto/2.9.168 Version/11.52",]
        UserAgent = random.choice(USER_AGENTS)
        headers = {'User-Agent': UserAgent}
        return headers


ip_s = [
    'http://118.212.137.135:31288',
    'http://116.213.98.6:8080',
    'http://114.215.95.188:3128',
    'http://49.70.223.119:8888',
    'http://114.215.83.184:3128'
    ]

def get_procie():
    ip = random.choice(ip_s)
    proxy = {'http':ip}
    return proxy


def get_random_header():
    headers= get_UserAgent()
    return headers


lock = threading.RLock()    #创建 可重入锁 
def scraw_proxies(page_num,scraw_url="http://www.xicidaili.com/nn/"):
    try:
        scraw_ip=list()
        available_ip=list()
        #for page in range(1,page_num):
        print("抓取第%d页代理IP" %page_num)
        url=scraw_url+str(page_num)
        r=requests.get(url,headers=get_random_header(),proxies=get_procie(),timeout=10)
        r.encoding='utf-8'
        pattern = re.compile('<td class="country">.*?alt="Cn" />.*?</td>.*?<td>(.*?)</td>.*?<td>(.*?)</td>', re.S)
        scraw_ip= re.findall(pattern, r.text)
        for ip in scraw_ip:
            ips = ip[0]+':'+ip[1]
            print(ips)
            
            try:
                html=requests.get(url,proxies={'http':'http://'+ips},timeout=10)
                if '200' in html.text:
                    print('==========================================================')
                    print('==========================================================能用的IP：'+ ips)
                    print('==========================================================')
                    lock.acquire()
                    with open('all_can_use_good_ip.txt','a') as f:
                        f.write(ips+'\n')
                    lock.release()      #解锁 
            except:
                continue
    except Exception as ee:
        print(ee)

def test_ip(ip,test_url='http://2017.ip138.com/ic.asp',time_out = 10):
    proxies={'http': ip[0]+':'+ip[1]}
    try_ip=ip[0]
    csvFile3 = open('Good_IP.csv','a', newline='') 
    writer2 = csv.writer(csvFile3)
    #print(try_ip)
    try:
        r=requests.get(test_url,headers=get_random_header(),proxies=proxies,timeout=time_out)
        if r.status_code==200:
            r.encoding='gbk'
            result=re.search('\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}',r.text)
            result=result.group()
           
            if result[:9]==try_ip[:9]:
                res = ('测试通过',)
                res1 = ip + res
                writer2.writerow(res1)
                writer2.close()
                print(r.text)
                print('测试通过')
                return True
            else:
                res = ('%s:%s 携带代理失败,使用了本地IP' %(ip[0],ip[1]),)
                res1 = ip + res
                writer2.writerow(res1)
                writer2.close()
                print('%s:%s 携带代理失败,使用了本地IP' %(ip[0],ip[1]))
                return False   
        else:
            res = ('%s:%s 请求码不是200' %(ip[0],ip[1]),)
            res1 = ip + res
            writer2.writerow(res1)
            writer2.close()
            print('%s:%s 请求码不是200' %(ip[0],ip[1]))
            return False
    except:
        res = ('%s:%s 请求过程错误' %(ip[0],ip[1]),)
        res1 = ip + res
        writer2.writerow(res1)
        #writer2.close()
        print('%s:%s 请求过程错误' %(ip[0],ip[1]))
        return False
    
    

if __name__=="__main__":
    scraw_proxies(1600)
    #list_t = []
    #for i in range(202,1501):
    #    t = threading.Thread(target=scraw_proxies,args=(i,))
    #    list_t.append(t)

    #for j in list_t:
    #    j.start()

    #for k in list_t:
    #    k.join()

    print('抓取结束')

